Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Inventors
Cecil W. Propst
Norton Shores, MI
US
1 patent
2 Patents
US12233163
2025
Crystalline Microspheres and the Process of Manufacturing the Same
SPI Pharma, Inc.
0 cites
US11723877
2023
Microencapsulation Process and Product
SPI PHARMA, Inc.
0 cites