1
Richard A Leoncavallo, Gregory R Phillips: Test tube rack and retainer. Nalge Company, Marjama & Pincelli, January 14, 1992: US05080232 (54 worldwide citation)

A rack and retainer for use with an existing rack for holding test tubes and similar like articles. The rack or retainer is provided with a projecting member for firmly holding in position a test tube or similar like article placed therein.


2
Richard A Leoncavallo, Ravinder C Mehra, Gregory R Phillips: Dropper bottle assembly with squeeze cap. Nalge Company, Wood Herron & Evans, July 12, 1994: US05328058 (37 worldwide citation)

The present invention is a dropper bottle assembly (30) with a dispensing closure (34) having a base (48) adapted to be secured to the bottle 32) and an elongated dropper spout (64) extending from the base (48) to a distal open end (72) and with a separate cap (36, 236) defining a cavity (76) sized ...


3
Richard A Leoncavallo, Ravinder C Mehra, Gregory R Phillips: Liquid dropper spout having lockable pivoted closure cap. Nalge Company, Wood Herron & Evans, September 21, 1993: US05246145 (37 worldwide citation)

A dropper bottle assembly with a dispensing closure having a base adapted to be secured to the bottle and an elongated dropper spout extending from the base to a distal open end and with a separate cap defining a cavity sized to receive the spout therein wherein the cap and closure share cooperating ...


4
Richard A Leoncavallo, Gregory R Phillips: Storage rack for box-like container. Nalge Company, Marjama & Pincelli, September 20, 1988: US04771900 (12 worldwide citation)

A storage rack for holding a plurality of substantially box-like containers. The rack is provided with a plurality of independent locking members, one associated with a single box-like container. The locking member may be rotated in and out of a locking position.


5
Richard A Leoncavallo, Gregory R Phillips: Single membrane disc supporting upper and lower membranes. Nalge Cmpany, Marjama & Pincelli, January 16, 1990: US04894155 (10 worldwide citation)

A filter assembly having a filter chamber. Filter means is disposed in the filter chamber which comprises at least one disc shaped filter assembly. The disc assembly has an upper support disc and a lower aligning support disc. A filter membrane is disposed on the top side of the support disc which h ...


6
Richard A Leoncavallo, Gregory R Phillips, Ravinder C Mehra: Pressure filter assembly with bleed valve. Nalge Company, Marjama & Pincelli, August 29, 1989: US04861466 (9 worldwide citation)

A pressure filter assembly having a bleed valve assembly for releasing trapped gas from with the filter chamber in a controlled manner. The bleed valve assembly includes a stem secured to the filter assembly having a bore therethrough for communication with the filter chamber and a cap for controlli ...


7
Richard A Leoncavallo, Linda J Kover, Gregory R Phillips: Storage container. Nalge Company, Marjama & Pincelli, February 6, 1990: US04898278 (6 worldwide citation)

A plastic container for hoding an array of vials or other like articles. The container has a base potion and a top cover for placement thereon. The base portion is provided a divider defining a plurality of openings for receiving and maintaining in position a plurality of vials or other like artivle ...


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