HS

Harold G. Sowman

3M: 15 patents #1,012 of 11,543Top 9%
Overall (All Time): #328,884 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5185299 Microcrystalline alumina-based ceramic articles Thomas E. Wood, David M. Wilson 1993-02-09
5077241 Sol gel-derived ceramic bubbles Kyung H. Moh, Thomas E. Wood 1991-12-31
5017316 Internally modified ceramic fiber 1991-05-21
4929578 Refractory fibers of alumina and organic residue 1990-05-29
4883779 Ceramic articles containing silicon carbide Jerome W. McAllister, Lien-Huong T. Pham 1989-11-28
4816333 Silica coating Roger W. Lange, Soon-Kun Kang 1989-03-28
4801562 Refractory fibers of alumina and amorphous phosphorus pentoxide Tai T. Tran 1989-01-31
4800180 Ceramic articles containing silicon carbide Jerome W. McAllister, Lien-Huong T. Pham 1989-01-24
4797378 Internally modified ceramic fiber 1989-01-10
4757036 Microcrystalline transition metal oxide spinel articles David R. Kaar 1988-07-12
4743511 Graded refractory cermet article David R. Kaar 1988-05-10
4713300 Graded refractory cermet article David R. Kaar 1987-12-15
4518397 Articles containing non-fused aluminum oxide-based abrasive mineral Melvin A. Leitheiser 1985-05-21
4349456 Non-vitreous ceramic metal oxide microcapsules and process for making same 1982-09-14
4314827 Non-fused aluminum oxide-based abrasive mineral Melvin A. Leitheiser 1982-02-09