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Home › Unknown › Harold M. Bowman

HB

Harold M. Bowman — 29 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%

Fairview Park, OH: #2 of 133 inventorsTop 2%

Ohio: #1,898 of 73,341 inventorsTop 3%

Overall (All Time): #127,851 of 4,157,543Top 4%

29 Patents All Time

Harold M. Bowman has been granted 29 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in December 1999. Harold M. Bowman ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Harold M. Bowman in Fairview Park, OH, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #	Title	Co-Inventors	Date
6007270	Manhole frame assembly	—	1999-12-28
5697729	Anchor for utility access hole support insert	—	1997-12-16
5628152	Adjustable manhole cover support with shield	—	1997-05-13
5611640	Method and apparatus for anchoring a utility grate cover	—	1997-03-18
5326188	Anchor for manhole cover support	—	1994-07-05
RE34550	Sturdy adjustable manhole cover support	—	1994-02-22
5184912	Split-ring manhole cover support	George T. Fuller	1993-02-09
5165819	Manhole cover support with flange borne on its own base	—	1992-11-24
5150984	Stiffening flanges for deformation resistance of manhole cover support	George T. Fuller	1992-09-29
5143478	Adjustable manhole cover support with spanners	—	1992-09-01
5051022	Manhole cover support with topside flange and inclined seat	—	1991-09-24
5039248	Support for catch basin cover	—	1991-08-13
5021261	Process for making a manhole cover support having enhanced grip	—	1991-06-04
4969770	Manhole cover support with topside flange	—	1990-11-13
4969771	Manhole cover support having enhanced grip	—	1990-11-13
4966489	Manhole cover support having interbraced top members	—	1990-10-30
4963053	Multicomponent wales and bases for manhole cover supports	—	1990-10-16
4927290	Manhole cover support resistant to water infiltration	—	1990-05-22
4872780	Manhole cover support with box flanging	—	1989-10-10
4867600	Polygonal manhole cover support	—	1989-09-19
4867601	Sturdy adjustable manhole cover support	—	1989-09-19
4834574	Utility cover extension	—	1989-05-30
4747739	Ingot mold and method	Thomas P. Kicher	1988-05-31
4416440	Ingot mold and method	Thomas P. Kicher	1983-11-22
4358084	Sectional ingot mold	—	1982-11-09