1
Edward K Hamar, Gordon E Blakeman: Portable sectional flooring system. Horner Flooring Company, Banner Birch McKie & Beckett, September 3, 1985: US04538392 (89 worldwide citation)

Portable sectionalized flooring suitable for a basketball court or the like is assembled from a plurality of separate floor sections arranged in rows with each section composed of interengaged tongue and groove strips defining the floor surface, spaced stringers extending transversely of such strips ...


2
Douglas J Hamar, Gopal Jayaraman, Richard Granroth, Robert L Whipple, Harold A Evenson, Edward K Hamar: Portable sectional flooring system with post support. Portage Holding, Banner Birch McKie & Beckett, June 16, 1992: US05121579 (16 worldwide citation)

A floor section assembly having a post anchor built into one of the floor panels for use with portable sectionalized flooring suitable for a volleyball court or the like is disclosed. The post anchor includes a base assembly attached to the undersurface of one of the panels and is coupled to a plura ...


3
Douglas J Hamar, Gopal Jayaraman, Richard Granroth, Robert L Whipple, Harold A Evensen: Portable sectional flooring system with post support. Portage Holding, Banner Birch McKie & Beckett, June 4, 1991: US05020286 (6 worldwide citation)

A floor section assembly having a post anchor built into one of the floor panels for use with portable sectionalized flooring suitable for a volleyball court or the like is disclosed. The post anchor includes a base assembly attached to the undersurface of one of the panels and is coupled to a plura ...



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